GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1979742  Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Clean any dirt from around the fill plug (1).
  3. Remove the transmission fill plug (1) and washer (2) from the transmission.

  4. Object Number: 2327  Size: SH
  5. Check that the transmission fluid level is even with the bottom of the fill plug hole.
  6. Add transmission fluid, if necessary.

  7. Object Number: 1979742  Size: SH
  8. Inspect the fill plug washer (2) and replace if necessary.
  9. Notice: Refer to Component Fastener Tightening Notice in the Preface section.

  10. Install the transmission fill plug (1) and washer (2).
  11. Tighten
    Tighten the transmission fill plug to 37 N·m (27 lb ft).

  12. Lower the vehicle.